1// SPDX-License-Identifier: GPL-2.0-only 2// Based on sof_sdw_rt5682.c 3// Copyright (c) 2023 Intel Corporation 4 5/* 6 * sof_sdw_cs42l43 - Helpers to handle CS42L43 from generic machine driver 7 */ 8#include <linux/device.h> 9#include <linux/errno.h> 10#include <linux/input.h> 11#include <sound/jack.h> 12#include <linux/soundwire/sdw.h> 13#include <linux/soundwire/sdw_type.h> 14#include <sound/cs42l43.h> 15#include <sound/control.h> 16#include <sound/soc.h> 17#include <sound/soc-acpi.h> 18#include <sound/soc-dapm.h> 19#include "sof_sdw_common.h" 20 21static const struct snd_soc_dapm_widget cs42l43_hs_widgets[] = { 22 SND_SOC_DAPM_HP("Headphone", NULL), 23 SND_SOC_DAPM_MIC("Headset Mic", NULL), 24}; 25 26static const struct snd_soc_dapm_route cs42l43_hs_map[] = { 27 { "Headphone", NULL, "cs42l43 AMP3_OUT" }, 28 { "Headphone", NULL, "cs42l43 AMP4_OUT" }, 29 { "cs42l43 ADC1_IN1_P", NULL, "Headset Mic" }, 30 { "cs42l43 ADC1_IN1_N", NULL, "Headset Mic" }, 31}; 32 33static const struct snd_soc_dapm_widget cs42l43_dmic_widgets[] = { 34 SND_SOC_DAPM_MIC("DMIC", NULL), 35}; 36 37static const struct snd_soc_dapm_route cs42l43_dmic_map[] = { 38 { "cs42l43 PDM1_DIN", NULL, "DMIC" }, 39 { "cs42l43 PDM2_DIN", NULL, "DMIC" }, 40}; 41 42static struct snd_soc_jack_pin sof_jack_pins[] = { 43 { 44 .pin = "Headphone", 45 .mask = SND_JACK_HEADPHONE, 46 }, 47 { 48 .pin = "Headset Mic", 49 .mask = SND_JACK_MICROPHONE, 50 }, 51}; 52 53int cs42l43_hs_rtd_init(struct snd_soc_pcm_runtime *rtd) 54{ 55 struct snd_soc_component *component = snd_soc_rtd_to_codec(rtd, 0)->component; 56 struct mc_private *ctx = snd_soc_card_get_drvdata(rtd->card); 57 struct snd_soc_jack *jack = &ctx->sdw_headset; 58 struct snd_soc_card *card = rtd->card; 59 int ret; 60 61 card->components = devm_kasprintf(card->dev, GFP_KERNEL, "%s hs:cs42l43", 62 card->components); 63 if (!card->components) 64 return -ENOMEM; 65 66 ret = snd_soc_dapm_new_controls(&card->dapm, cs42l43_hs_widgets, 67 ARRAY_SIZE(cs42l43_hs_widgets)); 68 if (ret) { 69 dev_err(card->dev, "cs42l43 hs widgets addition failed: %d\n", ret); 70 return ret; 71 } 72 73 ret = snd_soc_dapm_add_routes(&card->dapm, cs42l43_hs_map, 74 ARRAY_SIZE(cs42l43_hs_map)); 75 if (ret) { 76 dev_err(card->dev, "cs42l43 hs map addition failed: %d\n", ret); 77 return ret; 78 } 79 80 ret = snd_soc_card_jack_new_pins(card, "Jack", 81 SND_JACK_MECHANICAL | SND_JACK_AVOUT | 82 SND_JACK_HEADSET | SND_JACK_LINEOUT | 83 SND_JACK_BTN_0 | SND_JACK_BTN_1 | 84 SND_JACK_BTN_2 | SND_JACK_BTN_3, 85 jack, sof_jack_pins, 86 ARRAY_SIZE(sof_jack_pins)); 87 if (ret) { 88 dev_err(card->dev, "Failed to create jack: %d\n", ret); 89 return ret; 90 } 91 92 snd_jack_set_key(jack->jack, SND_JACK_BTN_0, KEY_PLAYPAUSE); 93 snd_jack_set_key(jack->jack, SND_JACK_BTN_1, KEY_VOICECOMMAND); 94 snd_jack_set_key(jack->jack, SND_JACK_BTN_2, KEY_VOLUMEUP); 95 snd_jack_set_key(jack->jack, SND_JACK_BTN_3, KEY_VOLUMEDOWN); 96 97 ret = snd_soc_component_set_jack(component, jack, NULL); 98 if (ret) { 99 dev_err(card->dev, "Failed to register jack: %d\n", ret); 100 return ret; 101 } 102 103 ret = snd_soc_component_set_sysclk(component, CS42L43_SYSCLK, CS42L43_SYSCLK_SDW, 104 0, SND_SOC_CLOCK_IN); 105 if (ret) 106 dev_err(card->dev, "Failed to set sysclk: %d\n", ret); 107 108 return ret; 109} 110 111int cs42l43_dmic_rtd_init(struct snd_soc_pcm_runtime *rtd) 112{ 113 struct snd_soc_card *card = rtd->card; 114 int ret; 115 116 card->components = devm_kasprintf(card->dev, GFP_KERNEL, "%s mic:cs42l43-dmic", 117 card->components); 118 if (!card->components) 119 return -ENOMEM; 120 121 ret = snd_soc_dapm_new_controls(&card->dapm, cs42l43_dmic_widgets, 122 ARRAY_SIZE(cs42l43_dmic_widgets)); 123 if (ret) { 124 dev_err(card->dev, "cs42l43 dmic widgets addition failed: %d\n", ret); 125 return ret; 126 } 127 128 ret = snd_soc_dapm_add_routes(&card->dapm, cs42l43_dmic_map, 129 ARRAY_SIZE(cs42l43_dmic_map)); 130 if (ret) 131 dev_err(card->dev, "cs42l43 dmic map addition failed: %d\n", ret); 132 133 return ret; 134} 135 136